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Disk Drill vs IsoBuster: catalog facts
Disk Drill	IsoBuster
Freemium Free scanning, with a paid PRO upgrade for full recovery.	Paid Can be downloaded and tried first; several paid licence models are offered.
Windows, macOS	Windows
Recovers from many device types, including phones and RAID arrays Can recover lost partitions	Strong support for CD, DVD and Blu-ray recovery Signature-based scanning finds files without folder records
Full recovery requires the paid PRO version Closed source	Windows only Full recovery features require a paid licence
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.